(ăn″ō″vū-lā′shŭn)
[Pronunciation]
[″ +″]

Failure to ovulate.
Ovulation failures occur commonly during the reproductive cycle of women, beginning in puberty when ovulation is irregular, and recurring after pregnancy and during menopause. Diseases causing anovulation include Stein-Leventhal syndrome (polycystic ovary syndrome), among others.

See: ovulation

Subentry:
hyperandrogenic anovulation